# Mars Today vs Mars Terraforming Project

The clearest difference is in-app purchases: Mars Today at none against Mars Terraforming Project's 2. Mars Terraforming Project's advantage is update cadence (daily vs monthly) and iOS requirement (12.0 vs 15.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Mars Terraforming Project sells 2 in-app purchases, starting at $4.99 per month. Mars Today asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mars Today against 5.0 for Mars Terraforming Project. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Mars Today ships an update monthly, Mars Terraforming Project daily. The most recent releases landed on June 11, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Mars Today | Mars Terraforming Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/mars-today/id1640335599/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/mars-terraforming-project/id6738961017/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 42 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [James Buckhouse](https://appshunter.io/developer/1631924321) | [Madhanrajan Varadharajan](https://appshunter.io/developer/1047714662) |

## What reviewers say

### Mars Today

[App page](https://appshunter.io/ios/app/mars-today/id1640335599)

Access the latest images of Mars from NASA's Curiosity rover. Browse current photos or explore past images from Curiosity, Spirit, and Opportunity by SOL. Bookmark and share your favorite discoveries.

**Highlights:** Latest Mars images from Curiosity, View past images from Spirit and Opportunity, Browse by Mars SOL, Bookmark favorite images, Easy sharing functionality, No login required

**Features:** macOS Compatibility

**In-app purchases:** none


### Mars Terraforming Project

[App page](https://appshunter.io/ios/app/mars-terraforming-project/id6738961017)

Explore the science and engineering behind colonizing Mars. Engage in AI-driven narrative adventures that adapt to your choices, offering a unique way to learn about transforming the Red Planet into a habitable world.

**Highlights:** A-Z step-by-step terraforming tutorials, AI-generated D&D style Mars games, Customizable AI game prompts and actions, Educational content on science and engineering, Narrative-driven space adventures

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Monthly | $4.99 | per month |
| Unlock the annual pro access | $19.99 | per year |


## Frequently asked questions

### Is Mars Today free?

Mars Today is free to download, with no in-app purchases.

### Is Mars Terraforming Project free?

Mars Terraforming Project is free to download, with in-app purchases available.

### Which has better reviews, Mars Today or Mars Terraforming Project?

Mars Today and Mars Terraforming Project are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Mars Today or Mars Terraforming Project have ads?

Neither Mars Today nor Mars Terraforming Project shows ads.

### Which is updated more often, Mars Today or Mars Terraforming Project?

Mars Today ships an update monthly, and Mars Terraforming Project daily. Most recently, Mars Today was updated on June 11, 2026 and Mars Terraforming Project on July 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*